2 fl. oz. gin
2 Tbs. fresh lime juice
1 Tbs. simple syrup
Ice cubes
5 to 6 fl. oz. club soda
1 lime wedge
Pour the gin, lime juice and simple syrup into a shaker two-thirds full of ice cubes. Shake well. Strain into a chilled martini glass or wineglass. Add the club soda and stir briefly. Add the lime wedge.